0 the act of producing a new plant from a parent plant: --
The Game and Fish Department focuses on propagation, and other agencies monitor and protect breeding areas.
We saw a demonstration on horticultural propagation at the greenhouse.
Students researched the propagation of plants at the city's botanical garden.
1 the act or process of spreading something, especially a harmful message or opinion, among a lot of people: --
In these conditions no sound propagation can take place.
The system allows faster downloads and more rapid propagation throughout the network.
Trees stressed by drought drop more seeds to ensure propagation.
Students conducted experiments on the optimal conditions for propagation of tropical plants.
The local nursery set up a propagation process using cuttings.